Sling (medicine) explained

Sling
Synonym:	Arm sling

A sling, also known as arm sling, is a device to limit movement of the shoulder or elbow while it heals.^[1] A sling can be created from a triangular bandage.^[1]

References

1. Web site: How to make an arm sling. www.sja.org.uk. 14 October 2017. en-gb.